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Rectification (Half wave rectification (Removes half cycle current of…
Rectification
Half wave rectification
Removes half cycle current of negative side
Forward bias
If diode is arranged positive to negative side
Removes half cycle current of positive side
Reverse bias
If diode is arranged negative to positive side
Removes a fraction of the current
Produces non stable voltage
Can produce a stable voltage by a process called
Smoothing Using A Capacitor
To decrease fluctuation of current
Capacitor stores a a certain amount of charge from the dc current and gives back to the load
Only consists of one diode
Process
Converting alternating current to direct current
Component
Rectifier
Full wave rectification
Consists of more than one diodes
Almost same as half wave rectification but produces more stable current
Decreases fluctuation in current substantially
Centre Tap
Using transformer and two rectifiers
One diode changes one half cycle of the current while the other diode also changes one half cycle of the current
Bridge
Uses four diodes to convert all half cycles of the current
Diode 1: Allows current pass through
Diode 2: Converts negative half cycle to positive half cycle
Diode 3: Converts any remaining negative half cycle to positive half cycle
Diode 4: Allows direct current flow to the dc output
A diode
Can allow flow of current only in one direction
